WO2024114963A1 - Présentoir de produits et procédé de présentation de produits à maintenir au chaud - Google Patents

Présentoir de produits et procédé de présentation de produits à maintenir au chaud Download PDF

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Publication number
WO2024114963A1
WO2024114963A1 PCT/EP2023/073118 EP2023073118W WO2024114963A1 WO 2024114963 A1 WO2024114963 A1 WO 2024114963A1 EP 2023073118 W EP2023073118 W EP 2023073118W WO 2024114963 A1 WO2024114963 A1 WO 2024114963A1
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WO
WIPO (PCT)
Prior art keywords
goods
product
circulating air
wall
presenter
Prior art date
Application number
PCT/EP2023/073118
Other languages
German (de)
English (en)
Inventor
Martin Vasold
Oliver VASOLD
Johannes Kalß
Original Assignee
Ake Ausseer Kälte- Und Edelstahltechnik Gmbh
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ake Ausseer Kälte- Und Edelstahltechnik Gmbh filed Critical Ake Ausseer Kälte- Und Edelstahltechnik Gmbh
Publication of WO2024114963A1 publication Critical patent/WO2024114963A1/fr

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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47F—SPECIAL FURNITURE, FITTINGS, OR ACCESSORIES FOR SHOPS, STOREHOUSES, BARS, RESTAURANTS OR THE LIKE; PAYING COUNTERS
    • A47F3/00—Show cases or show cabinets
    • A47F3/001—Devices for lighting, humidifying, heating, ventilation
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47F—SPECIAL FURNITURE, FITTINGS, OR ACCESSORIES FOR SHOPS, STOREHOUSES, BARS, RESTAURANTS OR THE LIKE; PAYING COUNTERS
    • A47F3/00—Show cases or show cabinets
    • A47F3/04—Show cases or show cabinets air-conditioned, refrigerated
    • A47F3/0404—Cases or cabinets of the closed type
    • A47F3/0408—Cases or cabinets of the closed type with forced air circulation
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47F—SPECIAL FURNITURE, FITTINGS, OR ACCESSORIES FOR SHOPS, STOREHOUSES, BARS, RESTAURANTS OR THE LIKE; PAYING COUNTERS
    • A47F3/00—Show cases or show cabinets
    • A47F3/04—Show cases or show cabinets air-conditioned, refrigerated
    • A47F3/0439—Cases or cabinets of the open type
    • A47F3/0443—Cases or cabinets of the open type with forced air circulation
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J39/00—Heat-insulated warming chambers; Cupboards with heating arrangements for warming kitchen utensils
    • A47J39/003—Heat-insulated warming chambers; Cupboards with heating arrangements for warming kitchen utensils with forced air circulation
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J39/00—Heat-insulated warming chambers; Cupboards with heating arrangements for warming kitchen utensils
    • A47J39/02—Dish-warmers; Devices to keep food hot

Definitions

  • the invention relates to a product display for presenting goods to be kept warm, having a user side, a top side, a bottom side, a rear side opposite the user side and two lateral sides opposite one another, as well as having a goods compartment accessible from the user side, which is located above a goods presentation plate, which is delimited at least on the back and the top side by a goods compartment wall and in which the goods to be kept warm can be arranged, and having circulating air generating means for generating a circulating air stream flowing through the goods compartment and guided from a circulating air duct inlet to a circulating air duct outlet opening downwards into the goods compartment in a circulating air duct.
  • the invention also relates to a method for presenting goods to be kept warm within a goods compartment located above a goods presentation plate, delimited by a goods compartment wall and through which a circulating air stream introduced into the goods compartment from above flows.
  • WO 2010/002243 discloses a product presenter or a corresponding method in which a product area is located above a product presentation plate and is delimited by a product area wall, with a circulating air flow being introduced into the product area from below, which can then heat the associated goods.
  • a heating plate is provided above the respective product area, which also serves for heating.
  • a product presenter serves to present goods to be kept warm and has a user side, a top side, a bottom side, a rear side opposite the user side and two lateral sides opposite one another.
  • a corresponding product space is accessible from the user side and is located above a product presentation plate, wherein the product space is delimited at least on its rear side and the top side by a product space wall and the goods to be kept warm can be arranged in the product space.
  • the product presenter further comprises circulating air generation means for generating a circulating air flow flowing through the product space and guided from a circulating air duct inlet to a circulating air duct outlet opening into the product space in a circulating air duct, wherein these
  • the arrangement also corresponds to the arrangement according to WO 2010 / 0 022 243 A2.
  • the recirculation duct outlet in WO 2014 / 072 693 A1 opens downwards into the goods area, which is precisely not provided for in WO 2010 / 0 022 443 A2 and US 2020 / 0 121 129 A1.
  • the latter also applies to a corresponding presentation method for goods that are to be kept warm, which can be arranged within a goods area located above a goods presentation plate, delimited by a goods area and through which a recirculation air flow is introduced into the goods area from above.
  • Tub-like product displays are disclosed in FR 2 637 479 A1 and DE 600 12 167 T2.
  • ovens are known from BE 475 700, US 4,283,614, US 5,558,010, US 4,395,233 and WO 2003/024154 A1, by means of which goods can be heated using a circulating air process.
  • these are not used for the presentation of goods, since the respective oven flap already reduces any possible pressure on the goods, which should not be the case with goods presenters, although it is certainly conceivable that such goods presenters - for energy reasons alone - have a flap or door through which users can remove the corresponding goods, but - unlike ovens - these should be as easy to open as possible.
  • the heating of food is also known from WO 2004/005819 A2, in which the food is to be heated in appropriate baskets or tubs so that it can then be served in them.
  • an oven is used for heating and the presentation of the goods is not the main focus.
  • a product display for presenting goods to be kept warm with a user side, a top side, a bottom side, a rear side opposite the user side and two lateral sides opposite each other, as well as with a goods space accessible from the user side, which is located above a goods presentation plate, which is delimited at least on the back side and the top side by a goods space wall and in which the goods to be kept warm can be arranged, and with circulating air generating means for generating a circulating air flow flowing through the goods space and guided from a circulating air duct inlet to a circulating air duct outlet opening downwards into the goods space in a circulating air duct, can be characterized in that a heating device is embedded in the goods space wall and is in thermal contact with the circulating air duct in order to provide a product display that is as energy-efficient as possible in a structurally simple and compact manner.
  • This arrangement if suitably designed, enables energy to be used in two ways: direct radiation from the heating device embedded in the wall of the goods room and indirect heat from the circulating air flow, which can also be heated by the heating device.
  • the circulating air in thermal contact can be used to cool the heating device in order to increase its efficiency with regard to the emitted electromagnetic radiation or thermal radiation, thereby optimizing energy yield.
  • a method for presenting goods to be kept warm within a goods room located above a goods presentation plate which is delimited by a goods room wall and through which a circulating air flow introduced into the goods room from above flows, can be characterized in that the goods room or the goods are directly heated by a heating device embedded in the goods room wall, which heats the circulating air flow outside the goods room and/or is cooled by the circulating air flow from outside the goods room, in order to provide a goods presenter or a method for presenting goods to be kept warm, which can be constructed in a simple and compact way in the most efficient way possible.
  • a product presenter for presenting goods to be kept warm with a user side, a top side, a bottom side, a rear side opposite the user side and two lateral sides opposite one another, as well as with a goods compartment accessible from the user side, which is delimited at least on the rear side and the top side by a goods compartment wall and in which the goods to be kept warm can be arranged, and with recirculation air generation means for generating a recirculation air flow flowing through the goods compartment and guided from a recirculation air duct inlet to a recirculation air duct outlet opening downwards into the goods compartment in a recirculation air duct, can be characterized cumulatively or alternatively to the other combinations of features mentioned here in that a heating device is embedded in a recirculation air duct wall of the recirculation air duct.
  • the product presenter is suitably designed, this enables intensive contact between the heating device and the circulating air and possibly even the circulating air duct wall, so that the heating device can also intensively release its energy into the circulating air.
  • the inlet into the circulating air duct wall can make it possible for energy components to be used elsewhere, for example by the heating device radiating directly into the goods area if the corresponding circulating air duct wall also serves as the goods area wall, or by using directed radiated thermal energy to heat the circulating air flow.
  • other areas of the product presenter that are in contact with the associated circulating air duct wall are also heated or cooled by the heating device.
  • These can be, for example, other circulating air ducts or other areas of the same circulating air duct.
  • the circulating air flow is guided past the heating device within two different areas of the circulating air duct, so that it is ultimately heated twice before it returns to the goods area.
  • a method for presenting goods to be kept warm within a goods room located above a goods presentation panel which is delimited by a goods room wall and through which a circulating air flow introduced into the goods room from above flows, can be characterized in that the circulating air flow outside the goods room is successively heated at least twice in order to provide a method for presenting goods to be kept warm, which can be implemented as efficiently as possible in terms of energy in a structurally simple and compact manner.
  • the double heating enables a particularly effective heating of the circulating air flow, so that the energy of a heating device used for heating, for example, can be brought into the goods area by the circulating air flow in a correspondingly effective manner.
  • the double heating takes place by two separate heating devices.
  • the associated circulating air flow is guided past the same heating device twice, which can be implemented in a structurally simple manner, for example, by inserting an associated heating device into a circulating air duct wall, which is part of different areas of the circulating air duct, for example in which the respective flow direction of the circulating air flow in these two circulating air duct areas is opposite.
  • this product presenter for presenting goods to be kept warm can be characterized by a user side, a top side, a bottom side, a rear side opposite the user side and two lateral sides opposite one another, as well as a goods space accessible from the user side, which is located above a goods presentation plate, which is delimited at least on the back side and the top side by a goods space wall and in which the goods to be kept warm can be arranged, and by circulating air generation means for generating a circulating air flow which flows through the goods space and is guided from a circulating air duct inlet to a circulating air duct outlet opening downwards into the goods space, in that a heating device is arranged on or opposite a wall region of the goods space wall which extends with a component parallel to the goods presentation plate.
  • an indirect heating of the product room wall which then in turn indirectly heats the product room or the product presentation plate or the items arranged thereon by means of heat radiation.
  • the associated goods room wall which is heated by the heating device, serves as an IR heating device or IR radiator, whereby the goods room wall extends with one component parallel to the goods presentation panel, the corresponding heat emission via thermal radiation can be distributed over a relatively large area on the goods presentation panel or on the goods room, without losses due to the opening of the goods room becoming too great.
  • a method for presenting goods to be kept warm within a goods room located above a goods presentation panel which is delimited by a goods room wall and through which a circulating air flow introduced into the goods room from above flows, can be characterized in that the circulating air flow is heated within a channel region of a circulating air channel, which extends with a component parallel to the goods presentation panel, in order to provide, cumulatively or alternatively to the combinations of features otherwise presented here, a method for presenting goods to be kept warm, which can be implemented as efficiently as possible in terms of energy in a structurally simple and compact manner.
  • a suitable process control or a suitable design of the product presenter in which the corresponding process is carried out enables a compact structure and good use of installation space, because the heating of the circulating air flow within a channel area extending with a component parallel to the product presentation plate leads to the walls of this channel area being heated excessively, since not all of the energy that is intended to heat the circulating air flow can also be given to the circulating air flow itself, so that the associated channel walls can also be used to heat the goods over a relatively large area across the product space or the product presentation plate.
  • the circulating air flow is heated within a channel region of the circulating air channel, with a component extending parallel to the product display panel, or if the heating device is arranged on or opposite a wall region of the goods room wall, with a component extending parallel to the product display panel. Because one component of the wall region or the channel region extends parallel to the product display panel, the product display panel or the goods arranged on it see as large an area as possible of the respective wall regions or the wall of the associated channel region, which then leads to the best possible energetic utilization of the thermal energy radiated by these wall regions or by the walls of the associated channel regions.
  • the radiation then occurs with a corresponding component which is directed at the product presentation panel or at the products arranged on it, unlike what would be the case if the associated walls or wall areas were to radiate towards the user side, for example.
  • the associated direct radiation energy would then be lost, as it would leave the product presenter via the user side and the associated opening.
  • a product space is provided which is accessible at least from the user side, which is located above a product presentation panel and which is delimited at least on the back and the top by a product space wall.
  • the product presentation plate is primarily used for storing and presenting the goods. It does not necessarily have to have a flat plate shape, but can also be designed as a bowl or tub, which, however, can lead to lower product pressure depending on the goods to be presented.
  • the product presentation plate is preferably flat, which allows for a very high degree of flexibility in the type of goods that can be presented.
  • the product display panel can be designed like a grate or can include a grating.
  • this can lead to cleaning problems, so that a continuous surface is preferred as a product display panel, at least for cleaning reasons.
  • the product presentation panel can comprise a glass pane or glass plate, a stainless steel pane or stainless steel plate, or a stainless steel composite pane or stainless steel composite plate.
  • Such designs are relatively flexible in use and easy to clean. In particular, they also enable an attractive presentation of the goods stored on them.
  • the product display panel itself can be heated.
  • This can be achieved, for example, by the product display panel comprising a heating plate, which is arranged, for example, underneath the aforementioned components, such as glass, stainless steel or stainless steel composite panes or panels.
  • the use of heating plates has the advantage that good heat transfer and thus high effectiveness can be ensured via a surface heat contact with the corresponding cover panels.
  • the product presenters described here can be used in particular in self-service areas, i.e. where a user is required to take goods from the goods area independently.
  • the product displays in question are not limited to packaged goods, although this may require increased requirements for the air flow and the provision of spit guards and the like. Increased levels of contamination may also be expected.
  • the goods area is accessible at least from the user side, and, as already explained above, is located above the goods display panel.
  • flaps or doors can be provided if necessary to increase energy efficiency, as long as the goods pressure does not decrease too much as a result.
  • flaps or doors should be very easy to open and, in particular, should also be transparent over as large an area as possible.
  • the goods area is delimited by a goods area wall at least on the back and on the top.
  • the back and the top can be translucent if the goods pressure requires this.
  • the top and the back can also be provided with insulation or with insulating bodies, which are often opaque, in order to take account of the highest possible energy efficiency.
  • the goods room wall can be designed to be openable at the rear in order to enable, for example, maintenance work or loading and unloading of the goods room from the rear, for example by operating personnel.
  • a goods compartment wall can also be provided on the lateral sides.
  • this goods compartment wall can be transparent, in particular with surfaces that are mirrored on the inside and, if necessary, transparent on the outside, if the product pressure can be increased even further in this way. can or should.
  • the merchandise area can be surrounded by a self-supporting frame so that the associated merchandise presenter can be used in a variety of ways in a self-supporting manner.
  • such a self-supporting frame may, for example, be provided with feet or castors so that it can be placed independently on a table or on the floor.
  • the walls already explained above such as the rear wall of the goods room, a ceiling on the top of the goods room, a floor or the product presentation panel or the side walls of the goods room, can be part of the frame and contribute to the self-supporting design of the frame.
  • these walls especially if they are only made of thin panes or plates, for example, can also simply be attached to the frame.
  • the product presenter can be built or used particularly flexibly if the self-supporting frame only surrounds exactly one product area. This enables a very compact design of the product presenter, which can be combined with other, similar product presenters to form larger construction units or product presenters.
  • the self-supporting frame is sufficiently stable so that it can support not only itself but also another product presenter or even two or three other product presenters.
  • Such presenter modules comprise at least circulating air generation means for generating a circulating air flow through the goods area. If goods that are to be kept warm are to be presented in the goods presenter, it is advantageous if the circulating air flow is heated in a suitable manner.
  • a protective air flow is provided outside the recirculating air flow, which energetically shields the recirculating air flow from the outside.
  • a corresponding protective air flow can, for example, additionally flow past the opening on the user side of the goods room in order to keep the recirculating air flow as far as possible within the goods room.
  • Such a protective air flow may already be advantageously provided in a product display which comprises only one product area and preferably only one self-supporting frame surrounding this product area, in which case it may then be used in the associated self-supporting frame is integrated.
  • a protective air flow is used in a product presenter that is composed of several such presenter modules. In this case, it can be advantageous if the protective air flow generation means are only provided once in such a product presenter and not separately for each presenter module.
  • Any means of generating air circulation which is suitable for stimulating a flow of air circulation in a goods room may be used to generate the flow of air circulation flowing through the goods room.
  • the circulating air generation means generate a circulating air flow into the goods area or through the goods area exclusively by means of convection currents.
  • circulating air flows appear to be relatively sensitive to external influences and make it difficult to specifically pass through narrow duct inlets or duct outlets.
  • the circulating air generation means comprise a blower, by means of which circulating air flows can ultimately be generated or stimulated in a targeted manner.
  • any type of fan can serve as a blower. It goes without saying that - depending on the desired flow path - axial or radial fans can be used accordingly advantageously.
  • the fans are driven by an electric motor, although other types of drive are also conceivable, such as hydraulic or pneumatic drives.
  • the blower may be a fan.
  • a merchandise room with an appealing exterior i.e. a merchandise room with a relatively high merchandise pressure
  • the circulating air flow flowing through the merchandise room is guided in a circulating air duct that is guided from a circulating air duct inlet to a circulating air duct outlet opening into the merchandise room.
  • the circulating air flow then leaves the merchandise room in the circulating air duct so that it can be manipulated outside the merchandise room if the merchandise presenter or the associated process is suitably designed. This makes it possible to limit any manipulation of the circulating air flow inside the merchandise room to a minimum, which accordingly ensures an appealing interior of the merchandise room. goods space so that it can be provided with the highest possible product pressure.
  • any device that is suitable for directing a flow of circulating air outside the goods area in a suitable manner can serve as a recirculation duct.
  • pipes or cavities with a rectangular cross-section that are provided outside the goods area but inside the goods display can serve as recirculation ducts.
  • a recirculating air duct has recirculating air duct walls which, as walls, delimit the cavity that carries the recirculating air. It is entirely conceivable that such recirculating air duct walls also fulfil other functions, such as heat-conducting or heat-radiating functions, such as providing a goods compartment wall or forming a recirculating air duct wall for another area of the recirculating air duct. Likewise, the recirculating air duct walls can have an insulating effect or be provided with insulating bodies if this appears advantageous.
  • the recirculated air duct has a recirculated air duct inlet and a recirculated air duct outlet, whereby, depending on the specific design, a simple opening of the recirculated air duct or its recirculated air duct wall can serve as a recirculated air duct inlet or as a recirculated air duct outlet.
  • both the recirculation duct inlet and the recirculation duct outlet are provided in the goods compartment wall of the goods compartment, so that a recirculation air flow directed from the recirculation duct inlet to the recirculation duct outlet in the recirculation duct then flows or can flow through the goods compartment between the recirculation duct outlet and the recirculation duct inlet.
  • the recirculation duct inlet and the recirculation duct outlet can preferably be arranged in the goods compartment wall in such a way that the recirculation air flow within the goods compartment is formed in the desired manner.
  • the circulating air duct is preferably closed between the heating device and the circulating air duct outlet so that the heat which the circulating air has absorbed at the heating device can be transported as far as possible by the circulating air into the goods compartment. This enables very good control of the temperature in the Goods storage space, not to mention a relatively high level of energy efficiency, even if the design is otherwise suitable.
  • the recirculation duct is also closed between the recirculation duct inlet and the heating device or also in the area of the heating device, so that the inflow or outflow of air can be reduced to a minimum.
  • the circulating air flow is introduced into the goods area from above or the circulating air duct outlet opens downwards into the goods area. This means that the circulating air flow enters the goods area from above and passes over the goods presented on the goods display panel from above.
  • This design ensures in particular that the air flow is only slightly impaired by goods that are on the goods display panel or immediately to the side of it in the goods. In particular, impairment is reduced to a minimum even with taller goods or larger quantities of goods.
  • the circulating air flow in a product display for presenting goods that are to be kept warm with a circulating air flow directed into the product area from above is drawn off or discharged from the product area at least halfway up, preferably at least two-thirds of the height of the product area. Accordingly, it is advantageous if the circulating air duct inlet is located at least halfway up, preferably at two-thirds of the height of the product area.
  • the circulating air duct outlet can also be located at the top of the product area or be provided on the product area ceiling.
  • the circulating air flow flows through the goods area from the user side to the rear.
  • the recirculation duct outlet is located on the user side of the recirculation duct inlet.
  • the recirculation duct outlet can be provided on the user side of the goods compartment, while the recirculation duct inlet is provided further towards the rear.
  • the recirculation duct inlet is provided towards the rear of the goods room or the goods display, whereby it is not absolutely necessary that the recirculation duct inlet is located directly on the rear wall of the goods room. Rather, it may be sufficient if the recirculation duct inlet is arranged at a distance of less than half the depth of the goods room, i.e.
  • the circulation duct inlet is not more than a third of the depth of the goods room from the rear wall of the goods room. In particular, this way it can be ensured that the recirculation air can be discharged from the goods room in a targeted manner without an unnecessary amount of recirculation air being lost on the user side.
  • the recirculation duct outlet does not necessarily have to be provided directly on the user side of the goods room. Rather, a recirculation duct outlet that is only one third of the depth of the goods room away from the opening of the goods room on the user side is already regarded as a recirculation duct outlet that is provided on the user side of the goods room.
  • the recirculation duct is designed in such a way that the amount of recirculated air entering the recirculation duct via the recirculation duct inlet corresponds to the amount leaving the recirculation duct via the recirculation duct outlet, the amount of recirculated air lost through the opening of the goods compartment on the user side can be kept to a minimum.
  • heating device is arranged on or opposite a wall area of the goods room wall that extends with a component parallel to the goods presentation panel, heating of the Recirculation of air in the recirculation duct can be ensured if, for example, this wall area surrounds a duct area of the recirculation duct.
  • the heating device can touch the wall of the recirculating air duct or even form part of this wall. This also makes it possible to heat the recirculating air outside the goods area in a structurally simple manner.
  • a blower included in the circulating air generating means for example a fan, can be arranged in the circulating air duct, so that the circulating air flow is also generated outside the goods area.
  • the blower can suck in circulating air through the circulating air duct inlet and blow it out again through the circulating air duct outlet. Because the circulating air flow is generated outside the goods area, corresponding circulating air generating means within the goods area can be dispensed with, so that the goods area can be designed to be relatively elegant and optimized in terms of the highest possible product pressure.
  • the heating device can in particular comprise a heat radiator, preferably an IR radiator.
  • a heat radiator preferably an IR radiator.
  • This enables a relatively direct conversion of the energy in order to heat the goods area.
  • heat radiators or IR radiators can be electrically operated, which in conjunction with an electrically driven blower or fan requires a structurally simple energy supply, which can then be purely electrical.
  • the heat radiator or the IR radiator has a main radiation direction in which the heat or the infrared radiation is essentially emitted.
  • the heat radiator can preferably be aligned in such a way that its main radiation direction is directed into the goods area, onto the goods display panel, which in particular results in a high effectiveness of the heat radiation.
  • goods located on the goods display panel can be heated directly or indirectly without too much of the heat radiation being lost directly through the opening of the goods area on the user side.
  • the direction of the heat radiator towards the goods room or towards the goods display panel is particularly advantageous if the corresponding Heat radiator is embedded in the goods room wall so that its radiation reaches the goods room directly and can thus be used to heat the goods.
  • a corresponding orientation of the heat radiator can also be advantageous if the heat radiator is directed at the wall area of the goods room wall that extends parallel to the heat presentation plate, so that it cannot radiate directly into the goods room.
  • a heat radiator directed in this way can, particularly if the corresponding wall area of the goods room wall is selected perpendicular to the main beam direction, heat this wall area very effectively, so that the goods room wall itself can then emit heat radiation very effectively into the goods room.
  • the back of the radiant heater can, as already suggested above, be cooled by the circulating air flow or heat the circulating air flow, which accordingly increases the effectiveness.
  • the latter can be implemented in particular if the heat emitter is embedded in or forms part of a recirculation duct wall.
  • the heat radiator is arranged opposite the wall area of the goods room wall which extends with a component parallel to the goods presentation panel, its radiation can heat the corresponding wall area directly.
  • the goods room wall is simultaneously used as a recirculation duct wall, so that the heat radiation from the heat radiator not only heats the goods room wall but also the circulating air that passes the goods room wall outside the goods room in the corresponding recirculation duct.
  • This design also enables a high level of effectiveness in the use of the energy applied to the heat radiator.
  • the circulating air flow can be guided past a side of the heat radiator which is directed opposite to the main radiation direction of the heat radiator in order to heat the circulating air flow in this way.
  • the circulating air flow may be guided past a side of the heat emitter facing the opposite direction to the main beam direction, in particular if only the rear side of the heat emitter is located outside the goods area.
  • the goods room wall can comprise a goods room ceiling and a goods room rear wall and the heating device can be embedded in the goods room ceiling and/or in the goods room rear wall.
  • the heating device in a recirculation duct wall of the recirculation duct, with this recirculation duct wall then being located in a duct area which extends with a component parallel to the product display panel.
  • this recirculation duct wall at least part of the recirculation duct wall, particularly if this part of the recirculation duct wall is arranged opposite the heating device or the heat radiator, can be used as a product area wall and heated directly.
  • This directly heated wall area then radiates its heat as effectively as possible into the product area onto the goods or onto the product display panel, which also allows radiation losses, particularly through a product area opening, to be minimized.
  • the channel area which comprises the recirculation channel wall in which the heating device is embedded can then be arranged opposite the wall area of the goods room wall which extends with a component parallel to the goods presentation plate, so that this channel area, since it corresponds to the corresponding Wall area opposite, has a common wall with the goods room, through which heat radiation can then be passed into the goods room.
  • the circulating air flow outside the goods compartment can be successively heated at least twice.
  • an opposite flow direction of the recirculating air stream is provided in these areas of the recirculating air duct, which enables a structurally very compact arrangement.
  • the reversal of the flow direction takes place in the area of the recirculating air flow generation means, for example in the area of a fan, since there, in any case, changes in direction can be easily implemented by the fan by selecting a suitably suitable fan.
  • Figure 1 is a perspective view of a first product presenter
  • Figure 2 shows the first product presenter according to Fig. 1 in a section along the line II-II in Fig. 3;
  • Figure 3 shows the first product presenter according to Figures 1 and 2 in a front view
  • Figure 4 shows the first product presenter according to Figures 1 to 3 in a plan view
  • Figure 5 is a perspective view of a second product presenter
  • Figure 6 shows the second product presenter according to Fig. 5 in a section along the line VI- VI in
  • Figure 7 shows the second product presenter according to Figures 5 and 6 in a front view
  • Figure 8 shows the second product presenter according to Figures 5 to 7 in a plan view.
  • the two product presenters 10 shown in Figures 1 to 8 each comprise a product presentation plate 11 with a product space 20 arranged above it, which is provided within a frame 80 of the product presenter 10.
  • the frame 80 comprises an upper front support 81 and a lower front support 81, a rear wall 82, a top wall 83, a bottom wall 84 and two lateral walls 85.
  • the product presenter 10 can be assigned a user side 21, a rear side 22 opposite the user side 21, a top side 23 and a bottom side 24 as well as two lateral sides 25 opposite each other.
  • the front supports 81 are located on the user side 21, the rear wall 82 on the back 22, the cover wall 83 on the top 23, the bottom wall 84 on the bottom 24 and the two lateral walls 85 on the lateral sides 25 of the respective product presenter 10.
  • the frame 80 is further provided with feet 86 and is constructed in such an inherently stable manner that up to four such product presenters 10 can be arranged one above the other.
  • the goods compartment 20 itself has a goods compartment wall 30 and a goods compartment opening 31 on the user side 21.
  • the goods compartment 20 may also be closed, so that a flap or a door may be provided in the area of the goods compartment opening 31, which must be opened by a user in order to be able to remove goods from the goods compartment 20.
  • the goods compartment 20 has a goods compartment rear wall 32, which is arranged in the direction of the rear side 22 of the goods presenter 10.
  • the product space 20 is delimited by a product space ceiling 33.
  • the goods compartment 20 also has a goods compartment floor 34 on its underside 24, which in the present case is formed by the goods presentation panel 11. In the case of different embodiments, other types of implementation may also be present here.
  • Two baffles 12 are provided towards the user side 21 and the rear side 22, which serve to minimize contamination and to keep the goods safely on the goods presentation plate 11.
  • the goods compartment 20 is delimited by goods compartment side walls 35, whereby in this embodiment, baffles 12 are omitted from the goods compartment side walls 35, although these may be provided in different embodiments.
  • the baffles 12 are designed as transparent glass panes in order to increase the pressure of the goods.
  • the goods compartment side walls 35 which in turn are provided by the lateral walls 85, are also transparent in this embodiment in order to provide the highest possible product pressure. In alternative embodiments, transparency may also be dispensed with.
  • the goods compartment side walls 35 are each semi-transparently mirrored towards the goods compartment 20, so that the goods compartment side walls 35 in these embodiments are transparent from the outside but reflective from the inside, which further increases the product pressure. In alternative embodiments, mirroring may be omitted if this is not considered necessary.
  • the lateral walls 85 or the goods compartment side walls 35 contribute only insignificantly to the inherent stability of the frame 80. In alternative embodiments, however, the contribution of the lateral walls 85 or the goods compartment side walls 35 can be increased in this regard if this appears advantageous.
  • the rear walls 82 on the respective rear sides 22 can be opened for maintenance purposes and are designed as maintenance covers 89. It is understood that in this regard, different embodiments may also be available without having to deviate from the basic idea which these product presenters 10 implement.
  • An insulation 87 is provided on the top wall 83 as well as on the rear wall 82 and on the bottom wall 84 in order to increase the thermal efficiency. It is understood that the lateral walls 85 can also have insulation if necessary, especially if they are not to be transparent.
  • a product area lighting 13 is arranged, which radiates from the user side 21 towards the rear side 22 onto the product presentation panel 11.
  • a ventilation 15 is also provided in the upper front support 81 so that the goods compartment lighting 13 does not become too hot. It is understood that corresponding ventilation 15 or corresponding openings can be dispensed with if this does not appear necessary.
  • an operating and display unit 14 is arranged in the front support 81, via which the functionality of the product presenter 10 can be controlled and checked. A desired temperature can thus be entered via the operating and display unit 14. A temperature display is also carried out via this.
  • the product space 20 is flowed through by a circulating air flow 60, which flows from a circulating air duct outlet 52 to a circulating air duct inlet 51, and by circulating air generating means 40, which are implemented in the form of a blower 41, which in both embodiments is designed as a radially driving fan, which is arranged in a recess in the insulation 87 on the rear side 22, wherein by removing the rear wall 82 or the maintenance cover 89, maintenance work can be carried out on this blower 41 if necessary.
  • a recirculation duct 50 extends from the recirculation duct inlet 51 to the recirculation duct outlet 52, within which the rotor of the blower 41 of the recirculation air generating means 40 is arranged. Accordingly, the recirculation air generating means 40 or the blower 41 are arranged outside the goods space 20 or the recirculation air flow 60 is driven from outside the goods space 20.
  • the recirculation duct inlet 51 is arranged approximately in the middle of the product compartment rear wall 32 and extends to more than half the height of the product compartment 20.
  • the height of the goods compartment 20 can be defined by the distance between the goods compartment floor 34 or the goods presentation panel 11 and the goods compartment ceiling 33.
  • the goods compartment width can be defined between the two goods compartment side walls 35, while the goods compartment depth extends from the goods compartment opening 31 to the goods compartment rear wall 32.
  • the circulating air flow 60 can therefore be grasped directly from the circulating air duct inlet 51 by the fan 41 and accelerated radially outwards, so that it is initially conveyed upwards in a vertical region of the circulating air duct 50.
  • the vertical region of the recirculating air duct 50 is followed by a duct region 56 which extends with a component parallel to the product presentation plate 11 and initially runs obliquely to the product presentation plate 11, then opens into a horizontal region of the recirculating air duct 50 which runs parallel to the product presentation plate 11 and extends to the recirculating air duct outlet 52, which is provided on the user side 21 in the front region of the product space 20 and leads into the product space 20 from the upper side 23.
  • the recirculation duct outlet 52 is therefore located in the front quarter of the goods compartment 20, calculated on the total goods compartment depth and significantly above two thirds of the goods compartment height.
  • the recirculation duct inlet 51 is also located clearly in the rear third of the goods compartment 20, calculated on the depth of the goods compartment 20, and clearly above two thirds of the goods compartment height.
  • Such an arrangement makes it possible for the recirculation air flow 60 to circulate from the recirculation duct outlet 52 to the recirculation duct inlet 51 through the goods compartment 20 even when the goods compartment 20 is relatively heavily loaded.
  • the recirculation duct inlet 51 of the first product presenter 10 shown in Figures 1 to 4 also has openings above half the height of the product space 20, the latter is essentially also ensured in this embodiment.
  • the recirculating air duct 50 is surrounded by recirculating air duct walls 53, wherein, as seen from the recirculating air duct 50, the recirculating air duct wall 53 towards the goods compartment 20 is provided by the same assembly which also forms the goods compartment wall 30.
  • two separate assemblies and/or insulation layers may also be provided here.
  • the second product presenter 10 shown in Figures 5 to 8 also has a supplementary area of the recirculation duct 50, which initially extends downwards at an angle, with a component parallel to the product presentation plate 11, and then extends vertically, parallel to the rear wall 32 of the product area, downwards to the blower 41.
  • the blower-side recirculation duct wall 53 has openings so that the blower 41 can take in the recirculation air of the recirculation flow 60 from this vertical area of the recirculation duct 50 and accelerate it upwards into the area of the recirculation duct 50 running towards the rear side 22.
  • Both product presenters 10 have a heating device 70 which is located in the channel region 56 which extends with a component parallel to the product presentation plate 11 and reaches from the fan 41 to the recirculation channel outlet 52.
  • the heating device 70 is embedded in the recirculation channel wall 53 on the product room side of this channel region 56 which extends with a component parallel to the product presentation plate 11 and reaches from the fan 41 to the recirculation channel outlet 52.
  • the heating device 70 is designed as a heat radiator 71, in particular as a commercially available IR radiator 72, which can emit heat rays 73 along a main beam direction 29.
  • the recirculation air flow 60 can cool the rear side of the heating device 70, which in itself cannot emit heat rays in a directed manner, the heating device 70, so that in this way overheating can be avoided and the recirculation air flow 60 can be heated.
  • the heating device 70 is also embedded in a wall region 36 which extends with a component parallel to the product presentation plate 11 and which simultaneously also represents a channel region 56 of the circulating air channel wall 53 which extends with a component parallel to the product presentation plate 11, and is directed with its main beam direction 29 towards the product presentation plate 11. Due to this orientation, the heating device 70 can directly heat any goods located on the product presentation plate 11 with its heat rays 73, whereby radiation losses, in particular through the product space opening 31, can be minimized.
  • the channel region 56 is provided in front of the product space 20, which extends with a component parallel to the product presentation plate 11 and reaches from the recirculation channel inlet 51 in the direction of the channel region leading vertically downwards, which in turn has a recirculation channel wall 53 towards the product space 20, which at the same time represents the wall region 36 of the product space wall 30 extending with a component parallel to the product presentation plate 11.
  • the circulating air flowing into the circulating air duct 50 through the circulating air duct inlet 51 is first heated directly by the heat radiator 71 when it flows through the duct region 56, which extends with a component parallel to the product presentation plate 11 and reaches from the circulating air duct inlet 51 in the direction of the fan 41, in order to then pass through the heating device 70 a second time when the circulating air from the fan 41 flows through the duct region 56, which extends with a component parallel to the product presentation plate 11 and is located between the fan 41 and the circulating air duct outlet 52, in the circulating air duct wall 53 on the product compartment side of which the heating device 70 is arranged.
  • the heat rays 71 heat the wall region 36 of the goods compartment wall 30, which extends with a component parallel to the goods presentation plate 11, which in turn can emit heat to the goods compartment 20 essentially in the main beam direction 29, so that the goods compartment 20 can be indirectly heated additionally by the infrared rays of the heat radiator 71.
  • radiation losses through the goods compartment opening 31 can be reduced by the fact that the goods wall region 36, which extends with a component parallel to the goods presentation plate 11, is inclined with respect to the goods compartment opening 31.

Landscapes

  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Freezers Or Refrigerated Showcases (AREA)
  • Control Of Vending Devices And Auxiliary Devices For Vending Devices (AREA)

Abstract

L'invention concerne un présentoir de produits (10) et un procédé de présentation de produits à maintenir au chaud, de sorte que, d'une manière structurellement simple et compacte, le présentoir de produits soit conçu pour être aussi efficace que possible sur le plan énergétique et qu'il puisse être mis en œuvre de manière aussi efficace que possible sur le plan énergétique, le chauffage des produits ou de l'espace réservé aux produits (20) à la fois par rayonnement électromagnétique direct, tel qu'un rayonnement IR, et par chauffage d'un flux d'air chaud en circulation peut être assuré et une conception compacte peut être obtenue si le même dispositif de chauffage est utilisé à la fois pour chauffer le flux d'air en circulation et pour chauffer au moyen d'un rayonnement électromagnétique.
PCT/EP2023/073118 2022-12-02 2023-08-23 Présentoir de produits et procédé de présentation de produits à maintenir au chaud WO2024114963A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102022131980.6 2022-12-02
DE102022131980.6A DE102022131980B4 (de) 2022-12-02 2022-12-02 Warenpräsenter und Verfahren zur Präsentation warm zu haltender Waren

Publications (1)

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WO2024114963A1 true WO2024114963A1 (fr) 2024-06-06

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DE (1) DE102022131980B4 (fr)
WO (1) WO2024114963A1 (fr)

Citations (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE475700A (fr)
US4283614A (en) 1978-02-20 1981-08-11 Matsushita Electric Industrial Co., Ltd. Cooking device with high-frequency heating means and resistance heating means
US4327279A (en) * 1979-11-27 1982-04-27 Sunsetl, Ltd. Counter-top reheating unit for packaged pre-cooked meals
US4395233A (en) 1981-06-22 1983-07-26 G. S. Blodgett Co., Inc. Dual flow heating apparatus
FR2637479A1 (fr) 1988-10-07 1990-04-13 Inoxyform Inox Equipement Sa Meuble chauffant de presentation et de distribution de produits, a air chaud pulse
US5558010A (en) 1995-01-13 1996-09-24 Properties Leasing Food storage chamber door open compensation
WO2003024154A1 (fr) 2001-09-07 2003-03-20 Tiax Llc Four de cuisine a plusieurs etages dotes de commandes individuelles de chauffage par rayonnement et par conduction
WO2004005819A2 (fr) 2002-07-10 2004-01-15 Duke Manufacturing Company Procede et dispositif servant a rechauffer des produits alimentaires
WO2005073094A2 (fr) * 2004-01-23 2005-08-11 Hatco Corporation Contenant pour aliments
DE60012167T2 (de) 1999-04-15 2005-08-11 The Frymaster Corp. Vorrichtung und verfahren zum warmhalten von speisen
WO2010002243A2 (fr) 2008-07-02 2010-01-07 Fri-Jado B.V. Présentoir pour le rangement et la présentation d’articles chauffés
WO2010022243A1 (fr) 2008-08-20 2010-02-25 The United States Of America, As Represented By The Secretary, Department Of Health And Human Services Chimioprévention de carcinome à cellules squameuses de la tête et du cou
WO2010022443A1 (fr) 2008-08-25 2010-03-04 Commonwealth Scientific And Industrial Research Organisation Gènes de résistance
WO2014072693A1 (fr) 2012-11-06 2014-05-15 Alan Nuttall Limited Armoire ouverte sur la partie avant
US20200121129A1 (en) 2017-04-18 2020-04-23 Rotisol Cabinet with enclosures for keeping food products at a hot temperature

Patent Citations (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE475700A (fr)
US4283614A (en) 1978-02-20 1981-08-11 Matsushita Electric Industrial Co., Ltd. Cooking device with high-frequency heating means and resistance heating means
US4327279A (en) * 1979-11-27 1982-04-27 Sunsetl, Ltd. Counter-top reheating unit for packaged pre-cooked meals
US4395233A (en) 1981-06-22 1983-07-26 G. S. Blodgett Co., Inc. Dual flow heating apparatus
FR2637479A1 (fr) 1988-10-07 1990-04-13 Inoxyform Inox Equipement Sa Meuble chauffant de presentation et de distribution de produits, a air chaud pulse
US5558010A (en) 1995-01-13 1996-09-24 Properties Leasing Food storage chamber door open compensation
DE60012167T2 (de) 1999-04-15 2005-08-11 The Frymaster Corp. Vorrichtung und verfahren zum warmhalten von speisen
WO2003024154A1 (fr) 2001-09-07 2003-03-20 Tiax Llc Four de cuisine a plusieurs etages dotes de commandes individuelles de chauffage par rayonnement et par conduction
WO2004005819A2 (fr) 2002-07-10 2004-01-15 Duke Manufacturing Company Procede et dispositif servant a rechauffer des produits alimentaires
WO2005073094A2 (fr) * 2004-01-23 2005-08-11 Hatco Corporation Contenant pour aliments
WO2010002243A2 (fr) 2008-07-02 2010-01-07 Fri-Jado B.V. Présentoir pour le rangement et la présentation d’articles chauffés
WO2010022243A1 (fr) 2008-08-20 2010-02-25 The United States Of America, As Represented By The Secretary, Department Of Health And Human Services Chimioprévention de carcinome à cellules squameuses de la tête et du cou
WO2010022443A1 (fr) 2008-08-25 2010-03-04 Commonwealth Scientific And Industrial Research Organisation Gènes de résistance
WO2014072693A1 (fr) 2012-11-06 2014-05-15 Alan Nuttall Limited Armoire ouverte sur la partie avant
US20200121129A1 (en) 2017-04-18 2020-04-23 Rotisol Cabinet with enclosures for keeping food products at a hot temperature

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DE102022131980B4 (de) 2024-07-18
DE102022131980A1 (de) 2024-06-13

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